Hunting & Archery Equipment › silencerco ar 15 billet lower

Strike Industries Ar-15/M16 Lower Receiver Gunsmith Spring Kit - Lower Receiver Gunsmith Spring Kit

Tool box comes with 20 each of springs used in AR-15 lower receiver: bolt catch spring, buffer retainer spring, trigger spring, hammer spring, disconnector spring, magazine catch spring, selector spring and detent spring. Ideal for department armorers,... more

Brownells Ar-15/M16 Armorer's Small Parts Kit - Ar-15 Armorer's Small Parts Kit

Designed for the armorer or gunsmith who services a lot of ARs! This extensive kit includes the key small components for both the upper and lower receiver to keep your customers', department's, or agency's AR-15s ready for action. Also great for doing... more

Spikes Tactical Ar-15 Complete M4 Lower Receiver - Complete Ar-15 Lower Receiver W/Buttstock

Semi-auto lower receiver is machined from a 7075 T6 aluminum forging to mil-spec dimensions for precise fit and outstanding performance. Ruggedized hardcoat anodized finish resists scuffs, scratches, and wear. Stamped and color-coded bullet selector... more

Guntec USA AR-15 Complete Lower Parts Kit w/Ergonomic Polymer Pistol Grip LPK-GRIP

Guntec USA AR-15 Complete Lower Parts Kit w/Ergonomic Polymer Pistol Grip LPK-GRIP. Specifications for Guntec USA AR-15 Complete Lower Parts Kit: Manufacturer: Guntec USA Color: Black Gun Model: AR-15 Condition: New Package Contents: Guntec USA AR-15... more

Smith & Wesson AR-15 Customizable Lower Parts Kit 110115

Smith & Wesson AR-15 Customizable Lower Parts Kit 110115. These AR15 Lower Parts from Smith & Wesson provide all the springs pins and detents you'll need for that dream MSR. Add the competition-ready trigger of your choice and use the Smith & Wesson... more

Wheeler Delta Series Bolt Catch Installation Punch Kit SKU - 451097

The Wheeler Engineering AR-15 Punch Kit includes everything you'll need for installing the bolt catch pin. The kit includes a starter punch and a finishing punch which are rubber coated to help prevent scratching your lower receiver. The Delta Series... more

Next Level Armament NLA AR -15 M-Lok Handguard 5.56 mm 4.5 in 5 slots Anodiz

This item may be regulated for export by the U.S. Department of State or the U.S. Department of Commerce. Please see our Export Policy prior to placing your order. \r \r \r NLA AR15 MLOK handguards. Hard coat anodized and includes solid billet steel... more

TacFire Complete Upper Receiver AR-15 Lower Parts Kit 5.56mm 7.5in Barrel Pistol Length 7in M-LOK Handguard Anodized Black PK556-LPK

TacFire Complete Upper Receiver AR-15 Lower Parts Kit 5.56mm 7.5in Barrel Pistol Length 7in M-LOK Handguard Anodized Black PK556-LPK. Everything you need to build out your 5.56 pistol just add a lower receiver. Includes : 7.5" Barrel Low profile gas... more

Double Star Ar-15 Lower Parts Kit - Ar-15 Lower Parts Kit Small Pin

The Double Star AR-15 Lower Receiver Parts Kit includes everything needed to complete a stripped AR-15 lower receiver. The Kit includes: Fire control group Fire control group pins and springs Bolt catch assembly Magazine catch assembly Front pivot pin... more

Geissele Automatics Ar-15/M4 Reaction Block - Ar-15/M4 Reaction Block(Mil-Spec Buffer Tube Only)

The Geissele Reaction Block is designed to aid in the assembly of lower receivers. Once the armorer has installed the buffer tube onto the lower; the buffer tube and lower receiver assembly can be slid into the Reaction Block at the 12, 3, 6 and 9... more

Hahn Precision Ar-15/M16 9mm Dedicated Conversion Block - Dedicated 9mm Conversion Block

Designed, manufactured, and field-tested specifically for law enforcement personnel who require an AR-15/M16 dedicated to 9mm ammo using Colt and modified Uzi-type magazines. Integral X"XlegX"X hooks over the top of the lower receiver to prevent... more

Brownells Ar-15/M16 Lower Receiver Vise Block - Ar-15/M16 Action Block & Lower Vise Block Set

Heavy-duty blocks allow you to firmly clamp AR-15/M16 receiver halves in a vise without risk of crushing, twisting, or otherwise distorting them when applying vise pressure or torquing the barrel nut. Keeps your rifle secure for safe, effective... more

Bravo Company Ar-15 Bcmgunfighter Enhanced Lower Parts Kits - Bcmgunfighter Ar-15 Enhanced Lower Par

This kit includes all the Mil-Spec quality components you have come to expect from BCM, along with some fantastic upgrades to include: BCM PNT Trigger Assembly BCM Pistol Grip, Mod 3 BCM Enhanced Trigger Guard Mfg: Bravo Company more

Aero Precision Ar-15 Gen 2 Stripped Lower Receiver - Ar-15 Gen 2 Stripped Lower Receiver, Black

Stripped, small pin, semi-auto lower receiver is precision machined from a durable, 7075 T6 aluminum forging. Stamped "Cal Multi," this versatile mil-spec receiver can be the foundation for rifle builds on 5.56/.223, 6.5mm, 6.8mm, 300 AAC Blackout, 9mm... more

Zro Delta Ar-15 Lower Parts Kit - Ar-15 Lpk No Trigger Guard Or Grip

ELG stands for 'Enhanced Longitudinal Grind'.At the heart of this kit stands the longitudinally-ground trigger, which is ground in-line with the direction of pull along the long axis of the trigger, and then finish-polished. This grind and polish... more

Cross Machine Tool 308 Ar Stripped Billet Upper & Lower Receiver Set - Ar-308 Billet Receiver Set

Machined from 7075 T6 aluminum, this combination lower and upper receiver is ideal for starting an AR-style .308 rifle build. Receiver set uses standard DPMS type .308 lower parts, bolt carrier group, charging handle, and dust cover. Upper receiver is... more

Spikes Tactical Ar-15/M16 M4 Upper Receiver

Complete upper fully assembled and ready to install on an AR-15/M16/M4 lower receiver Every component is carefully manufactured, finished, and tested to meet or exceed current military specifications to produces a reliable, smooth-functioning rifle... more

Hahn Precision Ar-15/M16 9mm Drop-In Conversion Blocks - Bottom-Loading 9mm Conversion Block

One-piece, machined aluminum block converts AR-15 lower receiver to 9mm. Compatible with all, Colt-type, 9mm upper receivers, the feed ramp is cut for reliable feeding with all types of ammo, including hollow point and frangible ball. Roller retention... more

Precision Armament Ar-15 M4-72 Severe-Duty Compensator 22 Caliber - M4-72 Severe-Duty Compensator 2

Compensator features a large initial expansion chamber which dissipates combustion gases at a lower pressure, then directs the gases to the side and rear through precisely canted vents. Innovative reverse venting design reduces recoil and blowback... more

Strike Industries Ar-15 Extended Takeodwn Pivot Pin - Ar-15 Enhanced Pivot Takedown Pins Gold

Strike industries extended takedown pins and pivot pins are ideal for shooters looking for a custom look and that run multiple upper receivers off of a single lower. Made out of Precision-Machined Steel. This is a replacement for the standard... more

Bravo Company Ar-15/M16 Mil-Spec Buffer Tube Assembly - Ar-15/M16/M4 Stock Hardwear Mounting Kit, Mi

Compatible with Mil-Spec stocks, this kit contains all the necessary parts to mount a stock assembly onto your lower receiver. Six position buffer tube is machined from 7075 T6 aluminum to Mil-Spec dimensions with a Type III hardcoat anodized finish.... more

Strike Industries Ar-15 Extended Takeodwn Pivot Pin - Ar-15 Extended Takedown Pivot Pin Black

Strike industries extended takedown pins and pivot pins are ideal for shooters looking for a custom look and that run multiple upper receivers off of a single lower. Made out of Precision-Machined Steel. This is a replacement for the standard... more

Brownells Ar-15 Pistol Buffer Tube - Ar-15 Pistol Buffer Tube 6061-T6 Black

AR-15 Pistol Buffer Tube ready to install on your AR-15 pistol build. Extruded from 6061 -T6 aluminum & finished with a matte black hard coat anodizing. Accepts common braces & fits standard AR-15 lower receivers. Mfg: Brownells more

Stag Arms Ar-15 Stripped Lower Receiver

Lower Receiver Material: 7075 T6 aluminum with a type 3 hard coat anodizing; Hammer/Trigger pin size: Mil-spec small pin .154"; Pivot/Takedown Pin Size: Mil-spec small pin - .250 Mfg: Stag Arms more

Radian Weapons Ar-15 Talon Safety Selector Ambidextrous - Ar-15 Talon Safety Selector Ambidextrous B

The Radian Weapons (formerly AXTS) Talon ambidextrous safety selector is a modular design that can be installed as a standard 90� or as a 45� short throw by simply rotating the shaft 180� inside the lower receiver. Selector levers install using a... more

J P Enterprises Ar-15 Low Mass Bolt Carrier Assembly - Jpbc-3 Low Mass Bolt Carrier

Lightweight, stainless steel bolt carrier has significantly lower reciprocating mass than a standard mil-spec carrier for softer recoil impulse on competition rifles. Helps limit felt recoil to get you back on target for fast follow-up shots.... more

Bulldog Cases Ar-15/M16 Ultra-Compact Discreet Rifle Case - Ultra-Compact Discreet Case, Navy

Low-profile case provides discreet concealment and maximum protection for a short-barreled AR, a rifle disassembled into upper and lower halves, or other expensive gear during transport. Features a durable, heavy-duty, water-resistant Tetron outer... more

Seekins Precision Ar-15/M16 Billet Magazine Release Button - Ar-15 Billet Magazine Release Button

Machined aluminum magazine release button has a proprietary "Diamond Texture" surface for secure thumb contact and easy "one-hit" mag drops. Also adds a distinctive visual touch to your rifle. Drops into any mil-spec lower receiver to replace the... more

Radian Weapons Ar-15 Talon Safety Selector Ambidextrous - Ar-15 Talon Safety Selector Ambidextrous F

The Radian Weapons (formerly AXTS) Talon ambidextrous safety selector is a modular design that can be installed as a standard 90� or as a 45� short throw by simply rotating the shaft 180� inside the lower receiver. Selector levers install using a... more

Anderson Manufacturing Ar-15 Stripped Lower Receiver

Stripped, semi-auto, lower receiver delivers custom shop quality without the typical custom shop price. Perfect platform for building the ultimate, mission-specific, AR-15 rifle or carbine. Made from a high-strength, 7075 T6 aluminum forging for... more

White Oak Armament Dry Fire Device - Dry Fire Device For Ar-15/M16

This device was created to give you a realistic dry fire experience while ensuring you will not damage your equipment. It installs through the top of the magwell before placing the upper onto your lower. Very easy to use. A lever on the side (towards... more

Geissele Automatics Ar-15 Super 3 Gun Trigger - S3g Super 3 Gun Trigger

Single-stage trigger drops in to standard AR-15 lower receivers and gives a short, light pull with rapid reset. Makes follow-up shots easy. Reduces trigger pull to as little as 3-1/4 lbs. Designed as a semi-auto-only derivative of the two-stage Super... more

Brownells Ar-15/M16 Lower Receiver Vise Block

Heavy-duty blocks allow you to firmly clamp AR-15/M16 receiver halves in a vise without risk of crushing, twisting, or otherwise distorting them when applying vise pressure or torquing the barrel nut. Keeps your rifle secure for safe, effective... more

Tcs Ar Upper Receiver,Chamber And Buffer Tube Rod - Ar Upper Receiver, Chamber And Buffer Tube Rod

The Upper Receiver, Chamber and Buffer Tube Rod is designed to be used to clean the upper receiver, bolt channel, the chamber and the lower receivers buffer tube of the AR-15 platform firearm, when used in conjunction with the upper receiver and buffer... more

Odin Works Ar-15 Extended Magazine Releases - Ar-15 Extended Magazine Release Black

A flagship product for ODIN Works, the XMR (eXtended Magazine Release) is one accessory every AR needs. Machined from billet 6061 aluminum and designed to work with KNS pins. The XMR is 4x larger than a mil spec button making it easily accessible by... more

J P Enterprises Ar-15/M16 Ultra Low Mass Carrier W/223 Bolt - Ar15/M16 Ultra Low Mass Carrier W/ 223

Re-engineered for improved reliability and performance with lower maintenance requirements, the new JPBC-1 is the ultimate in improved reliability and performance, especially when combined with a high-efficiency JP muzzle brake, adjustable gas system... more

Precision Armament Ar-15 M4-72 Severe-Duty Compensator Dlc 22 Caliber - Ar15/M16 M4-72 Severe Duty

Compensator features a large initial expansion chamber which dissipates combustion gases at a lower pressure, then directs the gases to the side and rear through precisely canted vents. Innovative reverse venting design reduces recoil and blowback... more

Seekins Precision Ar-15/M16 Enhanced Bolt Catch - Ar15 Bolt Catch

Steel bolt catch features an enlarged lower portion that makes it easy to lock bolt to the rear. Enlarged upper portion allows fast bolt release, and "Diamond Texture" thumb pad gives positive engagement and enhances rifle's appearance. Mfg: Seekins... more